Re: OT: Natural gas vs LPG

Posted by nballen on January 16, 2007 at 11:59:29 from (198.246.171.252):

In Reply to: Re: OT: Natural gas vs LPG posted by Pooh Bear on January 16, 2007 at 11:39:03:

Volume measurements are independent of the substance measured, so one cubic foot (ft^3) always equals 7.48 gallons.

When measuring gases, the common practice is to "standardize" the gas at 1 atmosphere pressure(atm) (about 14.7 pounds per square inch, absolute at sea level), 60 degrees Farenheit.

For consistency, ft^3 is the most commonly used volume measurement. The amount of gas contained in 1 ft^3, at 1 atm, at 60 deg F is called "1 standard cubic foot, or 1 SCF.

For flow volumes, this is divided by minutes. Typical gas flows are given in SCFM (standard cubic feet per minute) or multiples thereof.

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